[TUHS] Systematic approach to command-line interfaces

Douglas McIlroy douglas.mcilroy at dartmouth.edu
Thu Sep 30 21:41:33 AEST 2021

> one other thing that SLS breaks, for data files, is the whole Unix 'pipe'
> abstraction, which is at the heart of the whole Unix tools paradigm.

Multics had an IO system with an inherent notion of redirectable data
streams. Pipes could have--and eventually did (circa 1987)--fit into
that framework. I presume a pipe DIM (device interface manager)
was not hard to build once it was proposed and accepted.


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